ChiefDan gmail.com> writes:
>
> I am trying to create a pathfinding graph from a shapefile with a line layer
> and point layer.
Hi,
Have you already studied
http://trac.osgeo.org/gdal/wiki/rfc48_geographical_networks_support?
-Jukka Rahkonen-
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Would GEOS be a more appropriate library to use? GDAL was my goto due to
familiarity.
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I am trying to create a pathfinding graph from a shapefile with a line layer
and point layer.
Using the C++ API, for each point in the points layer, I need to find the
next N points that are connected to that point along one or more
OGRLineStrings. I've been able to determine which OGRLineString
On Mon, Mar 23, 2015 at 04:25:30PM +0100, Even Rouault wrote:
> Le mercredi 18 mars 2015 18:59:28, Paul Ramsey a écrit :
> > With 1000 tables, the disparity is 300ms for the join on geometry_columns
> > and 30ms for the straight system table query.
>
> On my system, just "select * from geometry_co
Le mercredi 18 mars 2015 18:59:28, Paul Ramsey a écrit :
> With 1000 tables, the disparity is 300ms for the join on geometry_columns
> and 30ms for the straight system table query.
On my system, just "select * from geometry_columns" with 1000 tables takes ~
800 ms. Digging more into the definitio
Nick Ves gmail.com> writes:
>
> From gis SE site [0] :
>
> "I downliaded a SD file from here:
> http://portal.emodnet-hydrography.eu/geographic-grid How can I open it
> in QGIS?"
>
> gdalinfo fails to open the file. Anyone has seen the the format before?
>
> [0]
http://gis.stackexchange.com/q
>From gis SE site [0] :
"I downliaded a SD file from here:
http://portal.emodnet-hydrography.eu/geographic-grid How can I open it
in QGIS?"
gdalinfo fails to open the file. Anyone has seen the the format before?
[0]
http://gis.stackexchange.com/questions/139936/can-a-sd-file-format-be-opened-in
Hi devs,
In C++ gdal，VSIGetMemFileBuffer can convert /vsimem/** file to byte[], but
I can not find corresponding method in java gdal. What can I do to use it in
java?
thanks
bing
bingoyinha...@163.com
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Hi - I really appreciate all of your help so far. I am still looking into
this though but will get back to you as soon as I have a solution.
Cheers - Gareth
On Wed, Mar 18, 2015 at 6:17 PM, Joaquim Luis wrote:
> My objective is to create a hillshaded color-relief image of a DEM using
> command
